Normal mode:
Camera pickup area:
Only 50% of the
pixels of the camera
are used to pick
up the letter.
Image turn mode:
Camera pickup area:
Nearly all pixels
of the camera
are used to pick
up the letter.
Close up
of monitor:
Close up
of monitor:
INTERNAL
EXTERNAL
"Image Turn" Mode for Higher Resolution
Picking up a complete vertical (portrait) letter or A4 sized page has
always been a critical issue for a Visualizer because the image has
always been picked up in a horizontal (landscape) format. As a
result, only 50% of the camera pixels could be used to pick up the
vertical (portrait) document.
WolfVision's unique "Image Turn" mode solves this problem. The
user places the document on the working surface horizontally and
zooms in on it completely. In doing so, approximately 90% of the
camera's effective pixels are used to pick up the document.
WolfVision's state-of-the-art electronics turn the image to a 90 degree
angle and output it in a vertical format with 40% higher resolution.
The margins left and right are blacked out.
In this mode, the resolution of a complete vertical (portrait) document
is much better. Even 8-point characters are now readable.
Another advantage of the image turn mode is that very long vertical
pages (like US legal format) can be picked up completely.
Computer Input (Internal/External Switch)
WolfVision's USB Software (Connectivity Software) works under Windows 2000, XP
and Vista and is fully Twain compatible. This is important when using Visualizers in
connection with popular graphic programs such as Photoshop, or for connecting them
to Interactive Whiteboards (Smart Boards). A USB Software for Apple Macintosh is also
available.
WolfVision Visualizers are equipped with a fast USB 2.0 port. This allows for uploading
images onto a PC in a fraction of a second. It can also output live motion. The
WolfVision Connectivity Software can store AVI-files and includes a video capture
driver. You can view and save the live image from the Visualizer on your computer in
almost every modern video editing software.
The USB port of the Visualizer can be used
to transfer images from a Visualizer to a
computer and save them in JPG, TIF or
BMP format. This way, Visualizers can be
used as scanners for 3-dimensional objects.
USB 2.0 port / Twain / Video Capture
A computer can be connected to the RGB input (15-pin D-Sub-plug)
of the Visualizer. With the Ext/Int switch, a user can switch between
the Visualizer image and computer image to be output by the
Visualizer's RGB output (15-pin D-Sub-plug).
Therefore, only one RGB cable is required to be attached to the
display unit (projector, monitor, video conferencing system
etc.) and no separate remote control has to be used for switching
between the two image sources.
Optimized for Video Conferencing
WolfVision's camera electronics produce a very strong and stable picture, which is very
important when a Visualizer is used as a document camera for videoconferencing
systems.
The even lighting, smooth auto iris and perfect focus are very important features,
enabling video conferencing systems to digitize and transfer the picture from a
WolfVision Visualizer much faster than pictures from other document cameras.
Furthermore there is no blinding stray light from a WolfVision Visualizer, which could
disturb the auto iris of the room camera.
Of course these features are equally important for live image presentations with a data
projector and for other Visualizer applications.
(24 pages)
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